Pith Number

pith:PR4HAVEL

pith:2018:PR4HAVELTCZHTIQ7EA5RQUYQXR

not attested not anchored not stored refs pending

Semantic Sentence Embeddings for Paraphrasing and Text Summarization

Alexander Loui, Carl Salvaggio, Chi Zhang, Dheeraj Peri, Raymond Ptucha, Shagan Sah, Thang Nguyen

arxiv:1809.10267 v1 · 2018-09-26 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PR4HAVELTCZHTIQ7EA5RQUYQXR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:04:37.841102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c7870548b98b279a21f203b185310bc4271ebf79cd9a1739b25ae67d9d1e9b4

Aliases

arxiv: 1809.10267 · arxiv_version: 1809.10267v1 · doi: 10.48550/arxiv.1809.10267 · pith_short_12: PR4HAVELTCZH · pith_short_16: PR4HAVELTCZHTIQ7 · pith_short_8: PR4HAVEL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PR4HAVELTCZHTIQ7EA5RQUYQXR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7c7870548b98b279a21f203b185310bc4271ebf79cd9a1739b25ae67d9d1e9b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21ae362979b503aa9a5e298d6079d41e088a7a9da5d44292d93bb6811299edab",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-26T23:38:19Z",
    "title_canon_sha256": "f9229301e523aaa90e19657e2e0892709a17132ce041ca6c8c8dc015a8d784ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10267",
    "kind": "arxiv",
    "version": 1
  }
}